AKM Development Platform. This is the D7.014 version.
Dependencies: AK09970 AK099XX AK7401 AK7451 AK8963X AK9750 AK9752 AkmSensor BLE_API I2CNano MCP342x SerialNano SpiNano TCA9554A mbed nRF51822
Fork of AKDP by
main.cpp@40:24065d634473, 2017-05-03 (annotated)
- Committer:
- masahikofukasawa
- Date:
- Wed May 03 18:31:33 2017 +0000
- Branch:
- multi_sensor_test
- Revision:
- 40:24065d634473
- Parent:
- 32:7c4beec92be9
re-publish for Rev D7.014.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
masahikofukasawa | 0:c240899240e7 | 1 | #include <stdio.h> |
masahikofukasawa | 0:c240899240e7 | 2 | #include <stdlib.h> |
masahikofukasawa | 0:c240899240e7 | 3 | #include "mbed.h" |
masahikofukasawa | 0:c240899240e7 | 4 | #include "ble/BLE.h" |
masahikofukasawa | 0:c240899240e7 | 5 | #include "ble/services/UARTService.h" |
masahikofukasawa | 0:c240899240e7 | 6 | #include "SerialNano.h" |
masahikofukasawa | 25:12ed05de91f9 | 7 | #include "akdphwinfo.h" |
masahikofukasawa | 12:522a22a23f8a | 8 | #include "akmsensor.h" |
masahikofukasawa | 0:c240899240e7 | 9 | #include "akmsensormanager.h" |
masahikofukasawa | 0:c240899240e7 | 10 | #include "debug.h" |
coisme | 2:11a5873f8ec0 | 11 | #include "tca9554a.h" |
masahikofukasawa | 25:12ed05de91f9 | 12 | #include "mcp342x.h" |
masahikofukasawa | 19:7a6913400380 | 13 | #include "akmakd.h" |
masahikofukasawa | 0:c240899240e7 | 14 | |
masahikofukasawa | 0:c240899240e7 | 15 | #define BLE_UUID_TXRX_SERVICE 0x0000 /**< The UUID of the Nordic UART Service. */ |
masahikofukasawa | 0:c240899240e7 | 16 | #define BLE_UUID_TX_CHARACTERISTIC 0x0002 /**< The UUID of the TX Characteristic. */ |
masahikofukasawa | 0:c240899240e7 | 17 | #define BLE_UUIDS_RX_CHARACTERISTIC 0x0003 /**< The UUID of the RX Characteristic. */ |
masahikofukasawa | 10:a710e8c3311c | 18 | #define BLE_BUF_LEN UARTService::BLE_UART_SERVICE_MAX_DATA_LEN+1 |
masahikofukasawa | 10:a710e8c3311c | 19 | #define TXRX_LEN 50 |
masahikofukasawa | 0:c240899240e7 | 20 | |
masahikofukasawa | 0:c240899240e7 | 21 | BLE ble; |
masahikofukasawa | 0:c240899240e7 | 22 | UARTService* uartService; |
masahikofukasawa | 7:f1f544deaaa3 | 23 | SerialNano serial(P0_4, P0_5); // Rev.D pin configuration |
masahikofukasawa | 25:12ed05de91f9 | 24 | AkmSensorManager* manager; |
masahikofukasawa | 4:749a21fd9c2d | 25 | |
masahikofukasawa | 12:522a22a23f8a | 26 | uint8_t id; |
masahikofukasawa | 12:522a22a23f8a | 27 | uint8_t subId; |
masahikofukasawa | 0:c240899240e7 | 28 | |
masahikofukasawa | 32:7c4beec92be9 | 29 | |
masahikofukasawa | 18:d75838bceaaf | 30 | enum { |
masahikofukasawa | 18:d75838bceaaf | 31 | UNIT_0_625_MS = 625, |
masahikofukasawa | 18:d75838bceaaf | 32 | UNIT_1_25_MS = 1250, |
masahikofukasawa | 18:d75838bceaaf | 33 | UNIT_10_MS = 10000 |
masahikofukasawa | 18:d75838bceaaf | 34 | }; |
masahikofukasawa | 32:7c4beec92be9 | 35 | |
masahikofukasawa | 18:d75838bceaaf | 36 | |
masahikofukasawa | 19:7a6913400380 | 37 | // default setting of Nexus 5X, Motorola Droid Turbo: |
masahikofukasawa | 19:7a6913400380 | 38 | //#define MIN_CONN_INTERVAL MSEC_TO_UNITS(45, UNIT_1_25_MS) /**< Minimum connection interval (45 ms) */ |
masahikofukasawa | 19:7a6913400380 | 39 | //#define MAX_CONN_INTERVAL MSEC_TO_UNITS(45, UNIT_1_25_MS) /**< Maximum connection interval (45 ms). */ |
masahikofukasawa | 19:7a6913400380 | 40 | //#define SLAVE_LATENCY 0 /**< Slave latency. */ |
masahikofukasawa | 19:7a6913400380 | 41 | //#define CONN_SUP_TIMEOUT MSEC_TO_UNITS(20000, UNIT_10_MS) /**< Connection supervisory timeout (20 seconds). */ |
masahikofukasawa | 19:7a6913400380 | 42 | |
masahikofukasawa | 19:7a6913400380 | 43 | /* |
masahikofukasawa | 19:7a6913400380 | 44 | iOS requirement: |
masahikofukasawa | 19:7a6913400380 | 45 | Interval Max * (Slave Latency + 1) ≤ 2 seconds |
masahikofukasawa | 19:7a6913400380 | 46 | Interval Min ≥ 20 ms |
masahikofukasawa | 19:7a6913400380 | 47 | Interval Min + 20 ms ≤ Interval Max Slave Latency ≤ 4 |
masahikofukasawa | 19:7a6913400380 | 48 | connSupervisionTimeout ≤ 6 seconds |
masahikofukasawa | 19:7a6913400380 | 49 | Interval Max * (Slave Latency + 1) * 3 < connSupervisionTimeout |
masahikofukasawa | 19:7a6913400380 | 50 | */ |
masahikofukasawa | 19:7a6913400380 | 51 | |
masahikofukasawa | 18:d75838bceaaf | 52 | #define MSEC_TO_UNITS(TIME, RESOLUTION) (((TIME) * 1000) / (RESOLUTION)) |
masahikofukasawa | 18:d75838bceaaf | 53 | #define MIN_CONN_INTERVAL MSEC_TO_UNITS(7.5, UNIT_1_25_MS) /**< Minimum connection interval (7.5 ms) */ |
masahikofukasawa | 18:d75838bceaaf | 54 | #define MAX_CONN_INTERVAL MSEC_TO_UNITS(30, UNIT_1_25_MS) /**< Maximum connection interval (30 ms). */ |
masahikofukasawa | 18:d75838bceaaf | 55 | #define SLAVE_LATENCY 0 /**< Slave latency. */ |
masahikofukasawa | 19:7a6913400380 | 56 | #define CONN_SUP_TIMEOUT MSEC_TO_UNITS(4000, UNIT_10_MS) /**< Connection supervisory timeout (4 seconds). */ |
masahikofukasawa | 18:d75838bceaaf | 57 | |
masahikofukasawa | 21:f8f44ad15d13 | 58 | // Command received from BLE |
masahikofukasawa | 0:c240899240e7 | 59 | void WrittenHandler(const GattWriteCallbackParams *Handler) |
masahikofukasawa | 0:c240899240e7 | 60 | { |
masahikofukasawa | 10:a710e8c3311c | 61 | static char command[TXRX_LEN]=""; |
masahikofukasawa | 10:a710e8c3311c | 62 | static uint16_t len=0; |
masahikofukasawa | 10:a710e8c3311c | 63 | |
masahikofukasawa | 10:a710e8c3311c | 64 | uint8_t buf[BLE_BUF_LEN]; |
masahikofukasawa | 0:c240899240e7 | 65 | uint16_t bytesRead; |
masahikofukasawa | 0:c240899240e7 | 66 | if (Handler->handle == uartService->getTXCharacteristicHandle()) |
masahikofukasawa | 0:c240899240e7 | 67 | { |
masahikofukasawa | 0:c240899240e7 | 68 | ble.gattServer().read(uartService->getTXCharacteristicHandle(), buf, &bytesRead); |
masahikofukasawa | 10:a710e8c3311c | 69 | |
masahikofukasawa | 10:a710e8c3311c | 70 | for(uint16_t i=0; i<bytesRead; i++){ |
masahikofukasawa | 10:a710e8c3311c | 71 | if(buf[i] == CR) |
masahikofukasawa | 10:a710e8c3311c | 72 | { |
masahikofukasawa | 10:a710e8c3311c | 73 | ; // ignore CR |
masahikofukasawa | 10:a710e8c3311c | 74 | } |
masahikofukasawa | 10:a710e8c3311c | 75 | else if(buf[i] == LF || len > TXRX_LEN) |
masahikofukasawa | 0:c240899240e7 | 76 | { |
masahikofukasawa | 10:a710e8c3311c | 77 | manager->commandReceived(command); |
masahikofukasawa | 10:a710e8c3311c | 78 | for(int j=0; j<TXRX_LEN; j++){ |
masahikofukasawa | 10:a710e8c3311c | 79 | command[j] = 0; |
masahikofukasawa | 10:a710e8c3311c | 80 | } |
masahikofukasawa | 10:a710e8c3311c | 81 | len = 0; |
masahikofukasawa | 10:a710e8c3311c | 82 | } |
masahikofukasawa | 10:a710e8c3311c | 83 | else |
masahikofukasawa | 10:a710e8c3311c | 84 | { |
masahikofukasawa | 10:a710e8c3311c | 85 | command[len++] = (char)buf[i]; |
masahikofukasawa | 0:c240899240e7 | 86 | } |
masahikofukasawa | 0:c240899240e7 | 87 | } |
masahikofukasawa | 0:c240899240e7 | 88 | } |
masahikofukasawa | 0:c240899240e7 | 89 | } |
masahikofukasawa | 0:c240899240e7 | 90 | |
masahikofukasawa | 21:f8f44ad15d13 | 91 | |
masahikofukasawa | 21:f8f44ad15d13 | 92 | // Command received from USB |
masahikofukasawa | 18:d75838bceaaf | 93 | static void usbUartCallback(void) |
masahikofukasawa | 0:c240899240e7 | 94 | { |
masahikofukasawa | 10:a710e8c3311c | 95 | static char command[TXRX_LEN] = ""; |
masahikofukasawa | 10:a710e8c3311c | 96 | static uint16_t len=0; |
masahikofukasawa | 10:a710e8c3311c | 97 | |
masahikofukasawa | 23:9a404e36feaf | 98 | while(serial.readable()) |
masahikofukasawa | 0:c240899240e7 | 99 | { |
masahikofukasawa | 0:c240899240e7 | 100 | uint8_t c = serial.getc(); |
masahikofukasawa | 21:f8f44ad15d13 | 101 | |
masahikofukasawa | 0:c240899240e7 | 102 | // ignore CR |
masahikofukasawa | 21:f8f44ad15d13 | 103 | if(c != CR) |
masahikofukasawa | 0:c240899240e7 | 104 | { |
masahikofukasawa | 21:f8f44ad15d13 | 105 | command[len++] = c; |
masahikofukasawa | 21:f8f44ad15d13 | 106 | if(len>=TXRX_LEN || c == LF) |
masahikofukasawa | 21:f8f44ad15d13 | 107 | { |
masahikofukasawa | 21:f8f44ad15d13 | 108 | manager->commandReceived(command); |
masahikofukasawa | 21:f8f44ad15d13 | 109 | for(int j=0; j<TXRX_LEN; j++){ |
masahikofukasawa | 21:f8f44ad15d13 | 110 | command[j] = 0; |
masahikofukasawa | 21:f8f44ad15d13 | 111 | } |
masahikofukasawa | 21:f8f44ad15d13 | 112 | len = 0; |
masahikofukasawa | 10:a710e8c3311c | 113 | } |
masahikofukasawa | 21:f8f44ad15d13 | 114 | } |
masahikofukasawa | 0:c240899240e7 | 115 | } |
masahikofukasawa | 0:c240899240e7 | 116 | } |
masahikofukasawa | 0:c240899240e7 | 117 | |
masahikofukasawa | 18:d75838bceaaf | 118 | static void connectionCallback(const Gap::ConnectionCallbackParams_t *params) |
masahikofukasawa | 0:c240899240e7 | 119 | { |
masahikofukasawa | 19:7a6913400380 | 120 | MSG("#From central: minConnectionInterval = %d\r\n", params->connectionParams->minConnectionInterval); |
masahikofukasawa | 19:7a6913400380 | 121 | MSG("#From central: maxConnectionInterval = %d\r\n", params->connectionParams->maxConnectionInterval); |
masahikofukasawa | 19:7a6913400380 | 122 | MSG("#From central: slaveLatency = %d\r\n", params->connectionParams->slaveLatency); |
masahikofukasawa | 19:7a6913400380 | 123 | MSG("#From central: connectionSupervisionTimeout = %d\r\n", params->connectionParams->connectionSupervisionTimeout); |
masahikofukasawa | 19:7a6913400380 | 124 | |
masahikofukasawa | 18:d75838bceaaf | 125 | Gap::Handle_t gap_handle = params->handle; |
masahikofukasawa | 18:d75838bceaaf | 126 | Gap::ConnectionParams_t gap_conn_params; |
masahikofukasawa | 19:7a6913400380 | 127 | gap_conn_params.minConnectionInterval = params->connectionParams->minConnectionInterval; |
masahikofukasawa | 19:7a6913400380 | 128 | gap_conn_params.maxConnectionInterval = params->connectionParams->maxConnectionInterval; |
masahikofukasawa | 19:7a6913400380 | 129 | gap_conn_params.slaveLatency = params->connectionParams->slaveLatency; |
masahikofukasawa | 18:d75838bceaaf | 130 | gap_conn_params.connectionSupervisionTimeout = CONN_SUP_TIMEOUT; |
masahikofukasawa | 18:d75838bceaaf | 131 | ble.updateConnectionParams(gap_handle, &gap_conn_params); |
masahikofukasawa | 18:d75838bceaaf | 132 | |
masahikofukasawa | 19:7a6913400380 | 133 | MSG("#From peripheral: minConnectionInterval = %d\r\n", gap_conn_params.minConnectionInterval); |
masahikofukasawa | 19:7a6913400380 | 134 | MSG("#From peripheral: maxConnectionInterval = %d\r\n", gap_conn_params.maxConnectionInterval); |
masahikofukasawa | 19:7a6913400380 | 135 | MSG("#From peripheral: slaveLatency = %d\r\n", gap_conn_params.slaveLatency); |
masahikofukasawa | 19:7a6913400380 | 136 | MSG("#From peripheral: connectionSupervisionTimeout = %d\r\n", gap_conn_params.connectionSupervisionTimeout); |
masahikofukasawa | 19:7a6913400380 | 137 | |
masahikofukasawa | 0:c240899240e7 | 138 | manager->setEventConnected(); |
masahikofukasawa | 14:76205d28fea2 | 139 | MSG("#Connected\r\n"); |
masahikofukasawa | 0:c240899240e7 | 140 | } |
masahikofukasawa | 0:c240899240e7 | 141 | |
masahikofukasawa | 18:d75838bceaaf | 142 | static void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) |
masahikofukasawa | 0:c240899240e7 | 143 | { |
masahikofukasawa | 0:c240899240e7 | 144 | manager->setEventDisconnected(); |
masahikofukasawa | 14:76205d28fea2 | 145 | MSG("#Disconnected\r\n"); |
masahikofukasawa | 0:c240899240e7 | 146 | ble.gap().startAdvertising(); |
masahikofukasawa | 0:c240899240e7 | 147 | } |
masahikofukasawa | 0:c240899240e7 | 148 | |
masahikofukasawa | 19:7a6913400380 | 149 | void bleSetup(char* device_name){ |
masahikofukasawa | 0:c240899240e7 | 150 | ble.init(); |
masahikofukasawa | 18:d75838bceaaf | 151 | |
masahikofukasawa | 0:c240899240e7 | 152 | // setup advertising |
masahikofukasawa | 0:c240899240e7 | 153 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED); |
masahikofukasawa | 0:c240899240e7 | 154 | ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
masahikofukasawa | 0:c240899240e7 | 155 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME, |
masahikofukasawa | 19:7a6913400380 | 156 | (const uint8_t *)device_name, strlen(device_name)); |
masahikofukasawa | 19:7a6913400380 | 157 | // (const uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME) - 1); |
masahikofukasawa | 0:c240899240e7 | 158 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, |
masahikofukasawa | 0:c240899240e7 | 159 | (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed)); |
masahikofukasawa | 19:7a6913400380 | 160 | |
masahikofukasawa | 18:d75838bceaaf | 161 | |
masahikofukasawa | 18:d75838bceaaf | 162 | // Set desired connection parameters |
masahikofukasawa | 18:d75838bceaaf | 163 | Gap::ConnectionParams_t gap_conn_params; |
masahikofukasawa | 18:d75838bceaaf | 164 | gap_conn_params.minConnectionInterval = MIN_CONN_INTERVAL; |
masahikofukasawa | 18:d75838bceaaf | 165 | gap_conn_params.maxConnectionInterval = MAX_CONN_INTERVAL; |
masahikofukasawa | 18:d75838bceaaf | 166 | gap_conn_params.slaveLatency = SLAVE_LATENCY; |
masahikofukasawa | 18:d75838bceaaf | 167 | gap_conn_params.connectionSupervisionTimeout = CONN_SUP_TIMEOUT; |
masahikofukasawa | 18:d75838bceaaf | 168 | ble.setPreferredConnectionParams(&gap_conn_params); |
masahikofukasawa | 18:d75838bceaaf | 169 | |
masahikofukasawa | 18:d75838bceaaf | 170 | ble.gap().onDisconnection(disconnectionCallback); |
masahikofukasawa | 0:c240899240e7 | 171 | ble.gap().onConnection(connectionCallback); |
masahikofukasawa | 0:c240899240e7 | 172 | ble.gattServer().onDataWritten(WrittenHandler); |
masahikofukasawa | 0:c240899240e7 | 173 | |
masahikofukasawa | 12:522a22a23f8a | 174 | // 100ms; in multiples of 0.625ms. |
masahikofukasawa | 18:d75838bceaaf | 175 | ble.gap().setAdvertisingInterval(160); |
masahikofukasawa | 0:c240899240e7 | 176 | ble.gap().startAdvertising(); |
masahikofukasawa | 12:522a22a23f8a | 177 | } |
masahikofukasawa | 0:c240899240e7 | 178 | |
masahikofukasawa | 12:522a22a23f8a | 179 | |
masahikofukasawa | 12:522a22a23f8a | 180 | int16_t getAdcData(MCP342X *mcp3428, MCP342X::AdcChannel ch, MCP342X::SampleSetting s) { |
masahikofukasawa | 12:522a22a23f8a | 181 | const int WAIT_ADC_MS = 1; |
masahikofukasawa | 12:522a22a23f8a | 182 | |
masahikofukasawa | 12:522a22a23f8a | 183 | // Configure channel and trigger. |
masahikofukasawa | 12:522a22a23f8a | 184 | mcp3428->setChannel(ch); |
masahikofukasawa | 12:522a22a23f8a | 185 | mcp3428->setSampleSetting(s); |
masahikofukasawa | 12:522a22a23f8a | 186 | mcp3428->trigger(); |
masahikofukasawa | 12:522a22a23f8a | 187 | |
masahikofukasawa | 12:522a22a23f8a | 188 | // polling data (!blocking) |
masahikofukasawa | 12:522a22a23f8a | 189 | MCP342X::Data data; |
masahikofukasawa | 12:522a22a23f8a | 190 | do { |
masahikofukasawa | 12:522a22a23f8a | 191 | wait_ms(WAIT_ADC_MS); |
masahikofukasawa | 12:522a22a23f8a | 192 | mcp3428->getData(&data); |
masahikofukasawa | 12:522a22a23f8a | 193 | } while(data.st == MCP342X::DATA_NOT_UPDATED); |
masahikofukasawa | 12:522a22a23f8a | 194 | |
masahikofukasawa | 12:522a22a23f8a | 195 | return data.value; |
masahikofukasawa | 12:522a22a23f8a | 196 | } |
masahikofukasawa | 12:522a22a23f8a | 197 | |
masahikofukasawa | 12:522a22a23f8a | 198 | uint8_t getId(PinName pin, uint8_t bits) |
masahikofukasawa | 12:522a22a23f8a | 199 | { |
masahikofukasawa | 12:522a22a23f8a | 200 | I2C i2c(I2C_SDA, I2C_SCL); |
masahikofukasawa | 12:522a22a23f8a | 201 | // ADC |
masahikofukasawa | 12:522a22a23f8a | 202 | MCP342X mcp342x(&i2c, MCP342X::SLAVE_ADDRESS_6EH); |
masahikofukasawa | 12:522a22a23f8a | 203 | mcp342x.setConversionMode(MCP342X::ONE_SHOT); |
masahikofukasawa | 12:522a22a23f8a | 204 | MCP342X::AdcChannel ch; |
masahikofukasawa | 12:522a22a23f8a | 205 | if (pin == ANALOG_SENSOR_ID) { |
masahikofukasawa | 12:522a22a23f8a | 206 | ch = MCP342X::ADC_CH1; |
masahikofukasawa | 12:522a22a23f8a | 207 | } else { // pin == ANALOG_SENSOR_ID_SUB |
masahikofukasawa | 12:522a22a23f8a | 208 | ch = MCP342X::ADC_CH2; |
masahikofukasawa | 12:522a22a23f8a | 209 | } |
masahikofukasawa | 12:522a22a23f8a | 210 | int16_t val = getAdcData(&mcp342x, ch, MCP342X::SAMPLE_240HZ_12BIT); |
masahikofukasawa | 14:76205d28fea2 | 211 | // MSG("#12bit ADC Val = %d.\r\n", val); |
masahikofukasawa | 12:522a22a23f8a | 212 | |
masahikofukasawa | 12:522a22a23f8a | 213 | const int16_t VAL_MAX = 3000-2048; // Corresponds to 3V |
masahikofukasawa | 12:522a22a23f8a | 214 | const int16_t VAL_MIN = -2048; // Corresponds to 0V |
masahikofukasawa | 12:522a22a23f8a | 215 | |
masahikofukasawa | 12:522a22a23f8a | 216 | uint8_t value = (uint8_t)((val - VAL_MIN)/(float)(VAL_MAX - VAL_MIN) * (1 << bits) + 0.5); |
masahikofukasawa | 14:76205d28fea2 | 217 | // MSG("#ID = %d.\r\n", value); |
masahikofukasawa | 12:522a22a23f8a | 218 | |
masahikofukasawa | 12:522a22a23f8a | 219 | return value; |
masahikofukasawa | 12:522a22a23f8a | 220 | } |
masahikofukasawa | 12:522a22a23f8a | 221 | |
masahikofukasawa | 12:522a22a23f8a | 222 | |
masahikofukasawa | 12:522a22a23f8a | 223 | void releaseTWI(){ |
masahikofukasawa | 12:522a22a23f8a | 224 | NRF_TWI0->ENABLE = TWI_ENABLE_ENABLE_Disabled << TWI_ENABLE_ENABLE_Pos; |
masahikofukasawa | 12:522a22a23f8a | 225 | NRF_TWI0->POWER = 0; |
masahikofukasawa | 12:522a22a23f8a | 226 | NRF_TWI1->ENABLE = TWI_ENABLE_ENABLE_Disabled << TWI_ENABLE_ENABLE_Pos; |
masahikofukasawa | 12:522a22a23f8a | 227 | NRF_TWI1->POWER = 0; |
masahikofukasawa | 12:522a22a23f8a | 228 | } |
masahikofukasawa | 12:522a22a23f8a | 229 | |
masahikofukasawa | 14:76205d28fea2 | 230 | bool initAkdpBoard(){ |
masahikofukasawa | 17:a22b52136eb8 | 231 | MSG("#Init AKDP board.\r\n"); |
masahikofukasawa | 17:a22b52136eb8 | 232 | const int TIME_FOR_OE_MS = 100; |
masahikofukasawa | 17:a22b52136eb8 | 233 | |
masahikofukasawa | 14:76205d28fea2 | 234 | // CSN High to activate I2C_GATE |
masahikofukasawa | 12:522a22a23f8a | 235 | DigitalOut _cs = DigitalOut(SPI_CS); |
masahikofukasawa | 12:522a22a23f8a | 236 | _cs.write(1); |
masahikofukasawa | 18:d75838bceaaf | 237 | |
masahikofukasawa | 18:d75838bceaaf | 238 | // I2C communication ports to HIGH(just in case). |
masahikofukasawa | 17:a22b52136eb8 | 239 | DigitalOut _scl = DigitalOut(I2C_SCL); |
masahikofukasawa | 17:a22b52136eb8 | 240 | _scl.write(1); |
masahikofukasawa | 17:a22b52136eb8 | 241 | DigitalOut _sda = DigitalOut(I2C_SDA); |
masahikofukasawa | 17:a22b52136eb8 | 242 | _sda.write(1); |
masahikofukasawa | 17:a22b52136eb8 | 243 | MSG("#SCL,SDA port high.\r\n"); |
masahikofukasawa | 17:a22b52136eb8 | 244 | wait_ms(TIME_FOR_OE_MS); |
masahikofukasawa | 17:a22b52136eb8 | 245 | |
masahikofukasawa | 12:522a22a23f8a | 246 | const TCA9554A::Port PORT_OE_LVS1 = TCA9554A::PORT_7; |
masahikofukasawa | 12:522a22a23f8a | 247 | const TCA9554A::Port PORT_OE_LVS2 = TCA9554A::PORT_6; |
masahikofukasawa | 12:522a22a23f8a | 248 | const TCA9554A::Port PORT_SPIN = TCA9554A::PORT_5; |
masahikofukasawa | 12:522a22a23f8a | 249 | const TCA9554A::Port PORT_RSV_RSTN = TCA9554A::PORT_0; |
masahikofukasawa | 12:522a22a23f8a | 250 | |
masahikofukasawa | 12:522a22a23f8a | 251 | I2C i2c(I2C_SDA, I2C_SCL); |
masahikofukasawa | 17:a22b52136eb8 | 252 | |
masahikofukasawa | 17:a22b52136eb8 | 253 | // call I2C general reset only once |
masahikofukasawa | 17:a22b52136eb8 | 254 | char cmd[] = {0x06}; // general reset code |
masahikofukasawa | 17:a22b52136eb8 | 255 | i2c.write(0x00, cmd, 1); |
masahikofukasawa | 17:a22b52136eb8 | 256 | MSG("#General Reset.\r\n"); |
masahikofukasawa | 17:a22b52136eb8 | 257 | wait_ms(TIME_FOR_OE_MS); |
masahikofukasawa | 17:a22b52136eb8 | 258 | |
masahikofukasawa | 12:522a22a23f8a | 259 | TCA9554A tca9554a(&i2c, TCA9554A::SLAVE_ADDRESS_38H); |
masahikofukasawa | 12:522a22a23f8a | 260 | |
masahikofukasawa | 12:522a22a23f8a | 261 | // Initializes TCA9554A (I2C GPIO Expander) |
masahikofukasawa | 12:522a22a23f8a | 262 | tca9554a.configurePort(PORT_OE_LVS1, TCA9554A::DIR_OUTPUT); |
masahikofukasawa | 12:522a22a23f8a | 263 | tca9554a.configurePort(PORT_OE_LVS2, TCA9554A::DIR_OUTPUT); |
masahikofukasawa | 12:522a22a23f8a | 264 | tca9554a.configurePort(PORT_SPIN, TCA9554A::DIR_OUTPUT); |
masahikofukasawa | 12:522a22a23f8a | 265 | tca9554a.configurePort(PORT_RSV_RSTN, TCA9554A::DIR_OUTPUT); |
masahikofukasawa | 12:522a22a23f8a | 266 | |
masahikofukasawa | 18:d75838bceaaf | 267 | // enable LVS1 and LVS2 level shifter |
masahikofukasawa | 12:522a22a23f8a | 268 | tca9554a.setPortLevel(PORT_OE_LVS1, TCA9554A::HIGH); |
masahikofukasawa | 12:522a22a23f8a | 269 | tca9554a.setPortLevel(PORT_OE_LVS2, TCA9554A::HIGH); |
masahikofukasawa | 12:522a22a23f8a | 270 | tca9554a.setPortLevel(PORT_RSV_RSTN, TCA9554A::HIGH); |
masahikofukasawa | 12:522a22a23f8a | 271 | tca9554a.setPortLevel(PORT_SPIN, TCA9554A::HIGH); |
masahikofukasawa | 14:76205d28fea2 | 272 | wait_ms(TIME_FOR_OE_MS); |
masahikofukasawa | 12:522a22a23f8a | 273 | |
masahikofukasawa | 18:d75838bceaaf | 274 | // reset LVS2 |
masahikofukasawa | 18:d75838bceaaf | 275 | tca9554a.setPortLevel(PORT_OE_LVS2, TCA9554A::LOW); |
masahikofukasawa | 18:d75838bceaaf | 276 | wait_ms(TIME_FOR_OE_MS); |
masahikofukasawa | 18:d75838bceaaf | 277 | tca9554a.setPortLevel(PORT_OE_LVS2, TCA9554A::HIGH); |
masahikofukasawa | 12:522a22a23f8a | 278 | wait_ms(TIME_FOR_OE_MS); |
masahikofukasawa | 16:5343a852fea4 | 279 | |
masahikofukasawa | 18:d75838bceaaf | 280 | // reset LVS1 |
masahikofukasawa | 18:d75838bceaaf | 281 | tca9554a.setPortLevel(PORT_OE_LVS1, TCA9554A::LOW); |
masahikofukasawa | 18:d75838bceaaf | 282 | wait_ms(TIME_FOR_OE_MS); |
masahikofukasawa | 16:5343a852fea4 | 283 | tca9554a.setPortLevel(PORT_OE_LVS1, TCA9554A::HIGH); |
masahikofukasawa | 16:5343a852fea4 | 284 | wait_ms(TIME_FOR_OE_MS); |
masahikofukasawa | 16:5343a852fea4 | 285 | |
masahikofukasawa | 18:d75838bceaaf | 286 | // disable LVS1 level shifter to read ID |
masahikofukasawa | 16:5343a852fea4 | 287 | tca9554a.setPortLevel(PORT_OE_LVS1, TCA9554A::LOW); |
masahikofukasawa | 16:5343a852fea4 | 288 | wait_ms(TIME_FOR_OE_MS); |
masahikofukasawa | 12:522a22a23f8a | 289 | |
masahikofukasawa | 12:522a22a23f8a | 290 | // read ID and subId from ADC |
masahikofukasawa | 12:522a22a23f8a | 291 | id = getId(ANALOG_SENSOR_ID,4); |
masahikofukasawa | 12:522a22a23f8a | 292 | uint8_t subid_bitlen = 4; |
masahikofukasawa | 12:522a22a23f8a | 293 | if(id == AkmSensor::AKM_PRIMARY_ID_AKD_SPI || id == AkmSensor::AKM_PRIMARY_ID_AKD_I2C){ |
masahikofukasawa | 14:76205d28fea2 | 294 | // MSG("#5 bit sub ID.\r\n"); |
masahikofukasawa | 12:522a22a23f8a | 295 | subid_bitlen = 5; |
masahikofukasawa | 12:522a22a23f8a | 296 | } |
masahikofukasawa | 12:522a22a23f8a | 297 | subId = getId(ANALOG_SENSOR_ID_SUB,subid_bitlen); |
masahikofukasawa | 12:522a22a23f8a | 298 | |
masahikofukasawa | 14:76205d28fea2 | 299 | if( (id == 11 && subId == 11) || (id == 55 && subId == 55) ){ |
masahikofukasawa | 14:76205d28fea2 | 300 | return true; |
masahikofukasawa | 14:76205d28fea2 | 301 | } |
masahikofukasawa | 14:76205d28fea2 | 302 | |
masahikofukasawa | 12:522a22a23f8a | 303 | // enable 1.8V level shifter |
masahikofukasawa | 12:522a22a23f8a | 304 | tca9554a.setPortLevel(PORT_OE_LVS1, TCA9554A::HIGH); |
masahikofukasawa | 17:a22b52136eb8 | 305 | MSG("#LVS1 High.\r\n"); |
masahikofukasawa | 12:522a22a23f8a | 306 | wait_ms(TIME_FOR_OE_MS); |
masahikofukasawa | 12:522a22a23f8a | 307 | |
masahikofukasawa | 12:522a22a23f8a | 308 | // RSTN control |
masahikofukasawa | 12:522a22a23f8a | 309 | if(id == AkmSensor::AKM_PRIMARY_ID_AKD_SPI || id == AkmSensor::AKM_PRIMARY_ID_AKD_I2C){ |
masahikofukasawa | 12:522a22a23f8a | 310 | tca9554a.setPortLevel(PORT_RSV_RSTN, TCA9554A::LOW); |
masahikofukasawa | 12:522a22a23f8a | 311 | wait_ms(TIME_FOR_OE_MS); |
masahikofukasawa | 12:522a22a23f8a | 312 | tca9554a.setPortLevel(PORT_RSV_RSTN, TCA9554A::HIGH); |
masahikofukasawa | 14:76205d28fea2 | 313 | // MSG("#Detect AKD, RSTN control.\r\n"); |
masahikofukasawa | 12:522a22a23f8a | 314 | } |
masahikofukasawa | 12:522a22a23f8a | 315 | |
masahikofukasawa | 12:522a22a23f8a | 316 | // SPI disable/enable |
masahikofukasawa | 12:522a22a23f8a | 317 | if( id == AkmSensor::AKM_PRIMARY_ID_AKD_SPI || id == AkmSensor::AKM_PRIMARY_ID_ANGLE_SENSOR ){ |
masahikofukasawa | 12:522a22a23f8a | 318 | tca9554a.setPortLevel(PORT_SPIN, TCA9554A::LOW); |
masahikofukasawa | 12:522a22a23f8a | 319 | // Disable 5.0V level shifter in order to ADC doesn't respond. |
masahikofukasawa | 12:522a22a23f8a | 320 | tca9554a.setPortLevel(PORT_OE_LVS2, TCA9554A::LOW); |
masahikofukasawa | 14:76205d28fea2 | 321 | // MSG("#Detect SPI, set SPIN low.\r\n"); |
masahikofukasawa | 12:522a22a23f8a | 322 | } |
masahikofukasawa | 12:522a22a23f8a | 323 | else{ |
masahikofukasawa | 12:522a22a23f8a | 324 | tca9554a.setPortLevel(PORT_SPIN, TCA9554A::HIGH); |
masahikofukasawa | 12:522a22a23f8a | 325 | tca9554a.setPortLevel(PORT_OE_LVS2, TCA9554A::HIGH); |
masahikofukasawa | 12:522a22a23f8a | 326 | } |
masahikofukasawa | 12:522a22a23f8a | 327 | |
masahikofukasawa | 12:522a22a23f8a | 328 | wait_ms(TIME_FOR_OE_MS); |
masahikofukasawa | 12:522a22a23f8a | 329 | |
masahikofukasawa | 12:522a22a23f8a | 330 | releaseTWI(); |
masahikofukasawa | 14:76205d28fea2 | 331 | |
masahikofukasawa | 14:76205d28fea2 | 332 | return false; |
masahikofukasawa | 12:522a22a23f8a | 333 | } |
masahikofukasawa | 12:522a22a23f8a | 334 | |
masahikofukasawa | 19:7a6913400380 | 335 | char* my_strcat(char* str1, char* str2) |
masahikofukasawa | 19:7a6913400380 | 336 | { |
masahikofukasawa | 19:7a6913400380 | 337 | int num1; |
masahikofukasawa | 19:7a6913400380 | 338 | char* str; |
masahikofukasawa | 19:7a6913400380 | 339 | |
masahikofukasawa | 19:7a6913400380 | 340 | num1=strlen(str1) + strlen(str2); |
masahikofukasawa | 19:7a6913400380 | 341 | str = (char *)malloc(num1 + 1); |
masahikofukasawa | 19:7a6913400380 | 342 | sprintf(str,"%s%s",str1,str2); |
masahikofukasawa | 19:7a6913400380 | 343 | return str; |
masahikofukasawa | 19:7a6913400380 | 344 | } |
masahikofukasawa | 31:9f9246822fea | 345 | |
masahikofukasawa | 30:ea67020c9e05 | 346 | void error(const char* format, ...) { |
masahikofukasawa | 30:ea67020c9e05 | 347 | } |
masahikofukasawa | 31:9f9246822fea | 348 | |
masahikofukasawa | 12:522a22a23f8a | 349 | int main(void) |
masahikofukasawa | 14:76205d28fea2 | 350 | { |
masahikofukasawa | 12:522a22a23f8a | 351 | // USB serial |
masahikofukasawa | 12:522a22a23f8a | 352 | serial.baud(115200); |
masahikofukasawa | 12:522a22a23f8a | 353 | |
masahikofukasawa | 12:522a22a23f8a | 354 | // serial port RX event |
masahikofukasawa | 12:522a22a23f8a | 355 | serial.attach(&usbUartCallback); |
masahikofukasawa | 12:522a22a23f8a | 356 | |
masahikofukasawa | 12:522a22a23f8a | 357 | #ifdef DEBUG |
masahikofukasawa | 12:522a22a23f8a | 358 | Debug::setSerial(&serial); |
masahikofukasawa | 14:76205d28fea2 | 359 | MSG("#Debug Mode.\r\n"); |
masahikofukasawa | 12:522a22a23f8a | 360 | #endif |
masahikofukasawa | 12:522a22a23f8a | 361 | |
masahikofukasawa | 12:522a22a23f8a | 362 | // initialize AKDP board |
masahikofukasawa | 14:76205d28fea2 | 363 | if( initAkdpBoard() ){ |
masahikofukasawa | 14:76205d28fea2 | 364 | MSG("#Error: AKDP boot failed.\r\n"); |
masahikofukasawa | 14:76205d28fea2 | 365 | } |
masahikofukasawa | 19:7a6913400380 | 366 | |
masahikofukasawa | 19:7a6913400380 | 367 | // create sensor manager |
masahikofukasawa | 19:7a6913400380 | 368 | manager = new AkmSensorManager(&serial); |
masahikofukasawa | 19:7a6913400380 | 369 | |
masahikofukasawa | 19:7a6913400380 | 370 | if( manager->init(id, subId) == AkmSensorManager::ERROR){ |
masahikofukasawa | 19:7a6913400380 | 371 | MSG("#Error: sensor is NULL\r\n"); |
masahikofukasawa | 19:7a6913400380 | 372 | } |
masahikofukasawa | 19:7a6913400380 | 373 | |
masahikofukasawa | 25:12ed05de91f9 | 374 | // create device name |
masahikofukasawa | 25:12ed05de91f9 | 375 | // "AKDP D7.0XX SENSOR_NAME" |
masahikofukasawa | 25:12ed05de91f9 | 376 | char fw_version[5]; |
masahikofukasawa | 25:12ed05de91f9 | 377 | sprintf(fw_version, "%03d", FIRMWARE_VERSION); |
masahikofukasawa | 25:12ed05de91f9 | 378 | char* name = my_strcat(MOTHER_BOARD_NAME, " "); |
masahikofukasawa | 25:12ed05de91f9 | 379 | name = my_strcat(name, MOTHER_BOARD_VERSION); |
masahikofukasawa | 25:12ed05de91f9 | 380 | name = my_strcat(name, "."); |
masahikofukasawa | 25:12ed05de91f9 | 381 | name = my_strcat(name, fw_version); |
masahikofukasawa | 25:12ed05de91f9 | 382 | name = my_strcat(name, " "); |
masahikofukasawa | 25:12ed05de91f9 | 383 | name = my_strcat(name, manager->getSensorName()); |
masahikofukasawa | 19:7a6913400380 | 384 | |
masahikofukasawa | 19:7a6913400380 | 385 | // BLE initialize |
masahikofukasawa | 19:7a6913400380 | 386 | bleSetup(name); |
masahikofukasawa | 32:7c4beec92be9 | 387 | |
masahikofukasawa | 0:c240899240e7 | 388 | // BLE UART service |
masahikofukasawa | 0:c240899240e7 | 389 | uartService = new UARTService(ble); |
masahikofukasawa | 12:522a22a23f8a | 390 | |
masahikofukasawa | 19:7a6913400380 | 391 | // set BLE UART service |
masahikofukasawa | 19:7a6913400380 | 392 | manager->setBleUartService(uartService); |
masahikofukasawa | 11:53e52f5f1051 | 393 | |
masahikofukasawa | 14:76205d28fea2 | 394 | MSG("#Connecting...\r\n"); |
masahikofukasawa | 19:7a6913400380 | 395 | |
masahikofukasawa | 0:c240899240e7 | 396 | // main loop |
masahikofukasawa | 0:c240899240e7 | 397 | while(1) |
masahikofukasawa | 0:c240899240e7 | 398 | { |
masahikofukasawa | 0:c240899240e7 | 399 | if(manager->isEvent()){ |
masahikofukasawa | 0:c240899240e7 | 400 | manager->processEvent(); |
masahikofukasawa | 0:c240899240e7 | 401 | }else{ |
masahikofukasawa | 0:c240899240e7 | 402 | ble.waitForEvent(); |
masahikofukasawa | 0:c240899240e7 | 403 | } |
masahikofukasawa | 0:c240899240e7 | 404 | } |
masahikofukasawa | 0:c240899240e7 | 405 | } |